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[flang] Change DIE("unreachable") cases to use llvm_unreachable 

Reviewers: sscalpone

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D79507
This commit is contained in:
David Truby 2020-05-06 18:38:28 +01:00
parent 58610eb368
commit 9362698450
2 changed files with 27 additions and 10 deletions
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5
flang/lib/Semantics/check-declarations.cpp
View File

@ -1455,7 +1455,10 @@ void SubprogramMatchHelper::CheckDummyArg(const Symbol &symbol1,
"Dummy argument '%s' is a procedure; the corresponding"
" argument in the interface body is not"_err_en_US);
},
[&](const auto &, const auto &) { DIE("can't happen"); },
[&](const auto &, const auto &) {
llvm_unreachable("Dummy arguments are not data objects or"
"procedures");
},
},
arg1.u, arg2.u);
}

32
flang/lib/Semantics/resolve-names.cpp
View File

@ -287,7 +287,7 @@ protected:
case parser::AccessSpec::Kind::Private:
return Attr::PRIVATE;
}
common::die("unreachable"); // suppress g++ warning
llvm_unreachable("Switch covers all cases"); // suppress g++ warning
}
Attr IntentSpecToAttr(const parser::IntentSpec &x) {
switch (x.v) {
@ -298,7 +298,7 @@ protected:
case parser::IntentSpec::Intent::InOut:
return Attr::INTENT_INOUT;
}
common::die("unreachable"); // suppress g++ warning
llvm_unreachable("Switch covers all cases"); // suppress g++ warning
}
private:
@ -1398,13 +1398,27 @@ public:
void Post(const parser::AssignedGotoStmt &);
// These nodes should never be reached: they are handled in ProgramUnit
bool Pre(const parser::MainProgram &) { DIE("unreachable"); }
bool Pre(const parser::FunctionSubprogram &) { DIE("unreachable"); }
bool Pre(const parser::SubroutineSubprogram &) { DIE("unreachable"); }
bool Pre(const parser::SeparateModuleSubprogram &) { DIE("unreachable"); }
bool Pre(const parser::Module &) { DIE("unreachable"); }
bool Pre(const parser::Submodule &) { DIE("unreachable"); }
bool Pre(const parser::BlockData &) { DIE("unreachable"); }
bool Pre(const parser::MainProgram &) {
llvm_unreachable("This node is handled in ProgramUnit");
}
bool Pre(const parser::FunctionSubprogram &) {
llvm_unreachable("This node is handled in ProgramUnit");
}
bool Pre(const parser::SubroutineSubprogram &) {
llvm_unreachable("This node is handled in ProgramUnit");
}
bool Pre(const parser::SeparateModuleSubprogram &) {
llvm_unreachable("This node is handled in ProgramUnit");
}
bool Pre(const parser::Module &) {
llvm_unreachable("This node is handled in ProgramUnit");
}
bool Pre(const parser::Submodule &) {
llvm_unreachable("This node is handled in ProgramUnit");
}
bool Pre(const parser::BlockData &) {
llvm_unreachable("This node is handled in ProgramUnit");
}
void NoteExecutablePartCall(Symbol::Flag, const parser::Call &);